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Bug #72452 Segfault when executing functions.php
Submitted: 2016-06-20 05:32 UTC Modified: 2016-06-28 09:06 UTC
From: ryan dot jentzsch at gmail dot com Assigned: laruence (profile)
Status: Closed Package: Reproducible crash
PHP Version: 7.1Git-2016-06-20 (Git) OS: Linux Mint 17.3
Private report: No CVE-ID: None
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 [2016-06-20 05:32 UTC] ryan dot jentzsch at gmail dot com 
Description:
------------
Segfault when running the referenced script:

Test script:
---------------
https://dl.dropboxusercontent.com/u/32885273/functions.php

Expected result:
----------------
No output.

Actual result:
--------------
$ php --version
PHP 7.1.0-dev (cli) (built: Jun 19 2016 22:18:33) ( ZTS )
Copyright (c) 1997-2016 The PHP Group
Zend Engine v3.1.0-dev, Copyright (c) 1998-2016 Zend Technologies
    with Xdebug v2.5.0-dev, Copyright (c) 2002-2016, by Derick Rethans


$ php functions.php 
[1]    19913 segmentation fault  php functions.php

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 [2016-06-20 05:42 UTC] ryan dot jentzsch at gmail dot com 
I think the parser is choking on the deprecated link() function declaration:

if (! function_exists('DI\link')) {
    /**
     * Helper for referencing another container entry in an object definition.
     *
     * @deprecated \DI\link() has been replaced by \DI\get()
     *
     * @param string $entryName
     *
     * @return EntryReference
     */
    function link($entryName)
    {
        return new EntryReference($entryName);
    }
}

I REMOVED this and the segfault went away. Commenting the code out still threw segfault errors.
 [2016-06-20 09:31 UTC] laruence@php.net
-Status: Open +Status: Feedback
 [2016-06-20 09:31 UTC] laruence@php.net 
Thank you for this bug report. To properly diagnose the problem, we
need a backtrace to see what is happening behind the scenes. To
find out how to generate a backtrace, please read
http://bugs.php.net/bugs-generating-backtrace.php for *NIX and
http://bugs.php.net/bugs-generating-backtrace-win32.php for Win32

Once you have generated a backtrace, please submit it to this bug
report and change the status back to "Open". Thank you for helping
us make PHP better.
 [2016-06-27 09:34 UTC] ryan dot jentzsch at gmail dot com
-Status: Feedback +Status: Open
 [2016-06-27 09:34 UTC] ryan dot jentzsch at gmail dot com 
I just did a git pull and rebuilt PHP and I no longer get a segfault. Please close this issue. Thx.
 [2016-06-28 09:06 UTC] laruence@php.net
-Status: Open +Status: Closed -Assigned To: +Assigned To: laruence
 
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